The Karn most likely practices Jnana.
The Sanskrit word "jnana" denotes "wisdom" or "spiritual knowledge." Instead of worldly knowledge (vijnana) acquired by study or experience, it refers to a knowledge of the Self that is inseparable from the Divine. Jnana is an internal realization that one is apart from brahman and free of worldly and mental responsibilities (absolute reality).
The road to this understanding is jnana yoga, and jnana meditation focuses on dispelling illusion to achieve spiritual consciousness. Jnana yoga is one of the three basic routes to moksha according to the Bhagavad Gita (liberation from worldly concerns). Karma yoga and Bhakti yoga are the alternative routes.
Learn more about Upanishads with the help of the given link:
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